$OpenBSD: patch-src_Main_cxx,v 1.4 2017/05/30 12:31:54 landry Exp $

Fix logic

Index: src/Main.cxx
--- src/Main.cxx.orig
+++ src/Main.cxx
@@ -123,7 +123,7 @@ static constexpr size_t MEGABYTE = 1024 * KILOBYTE;
 static constexpr size_t DEFAULT_BUFFER_SIZE = 4 * MEGABYTE;
 
 static
-#if GCC_OLDER_THAN(5,0)
+#if GCC_OLDER_THAN(5,0) || defined(__clang__)
 /* gcc 4.x has no "constexpr" for std::max() */
 const
 #else
